why does my Volkswagen Golf MK7 (2015-2019) feel like it’s losing traction?

Volkswagen Golf MK7 (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

454 words

Problem Statement

Learn how to diagnose and fix traction loss issues in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Suspension

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always ensure the vehicle is securely lifted on jack stands before working underneath.
•Disconnect the battery before working on electrical systems, particularly for the traction control system.

Symptoms

•Traction control warning light illuminated on the dashboard
•Slipping or spinning wheels during acceleration
•Unresponsive handling in wet or slippery conditions
•Increased tire wear or uneven tire tread
•Vibration or noise when driving over bumps

Diagnostic Steps

1
Inspect tire pressure and tread depth for all four tires.
2
Check for any visible damage or irregular wear patterns on the tires.
3
Scan the vehicle’s computer system for error codes related to the traction control system.
4
Examine the suspension components (shocks, struts, bushings) for wear or damage.
5
Test the function of the traction control system by engaging and observing its operation.
6
Inspect wheel speed sensors for dirt, damage, or electrical faults.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•Lug wrench
•Tire pressure gauge
•Tread depth gauge
•OBD-II scanner
•Jack and jack stands
•Basic hand tools (sockets, wrenches, etc.)

Parts Required

•Replacement tires (if necessary)
•Suspension components (struts, shocks, bushings) as needed
•Wheel speed sensors (if faulty)

Related Faults

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Diagnostic Steps

1
Inspect tire pressure and tread depth for all four tires.
2
Check for any visible damage or irregular wear patterns on the tires.
3
Scan the vehicle’s computer system for error codes related to the traction control system.
4
Examine the suspension components (shocks, struts, bushings) for wear or damage.
5
Test the function of the traction control system by engaging and observing its operation.
6
Inspect wheel speed sensors for dirt, damage, or electrical faults.

Solution

1. Tire Inspection and Replacement

Sub-steps:
1. Remove all four wheels using a lug wrench.
2. Inspect tire tread depth using a tread depth gauge; replace tires if tread is below 2/32 of an inch.
3. Check tire pressure with a tire pressure gauge; inflate tires to the manufacturer's recommended PSI.
4. If tires are damaged or worn unevenly, replace them with matching types and sizes.

2. Suspension Component Assessment

Sub-steps:
1. Use a jack to lift the vehicle and secure it on jack stands.
2. Visually inspect struts and shocks for signs of leakage or physical damage.
3. Test suspension bushings for wear by checking for cracks or excessive play.
4. Replace any worn or damaged suspension components with OEM parts.

3. Traction Control System Check

Sub-steps:
1. Connect an OBD-II scanner to the vehicle's diagnostic port.
2. Clear any stored error codes and perform a test drive to monitor the traction control system.
3. If warning lights reappear, diagnose the specific error codes.
4. Inspect and clean wheel speed sensors, ensuring they are free from dirt and debris.

4. Road Test

Sub-steps:
1. After repairs, take the vehicle for a test drive in various conditions (dry, wet, gravel).
2. Monitor the handling and traction during acceleration and cornering.

Tools Required:

Lug wrench
Tire pressure gauge
Tread depth gauge
OBD-II scanner
Jack and jack stands
Basic hand tools (sockets, wrenches, etc.)

Parts Required:

Replacement tires (if necessary)
Suspension components (struts, shocks, bushings) as needed
Wheel speed sensors (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Always ensure the vehicle is securely lifted on jack stands before working underneath.
Disconnect the battery before working on electrical systems, particularly for the traction control system.